/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package arq;

import java.util.List;

import org.apache.jena.cmd.ArgDecl;
import org.apache.jena.cmd.CmdException;
import org.apache.jena.update.*;
import arq.cmdline.CmdARQ;
import arq.cmdline.ModRemote;

public class rupdate extends CmdARQ {
    static final ArgDecl updateArg = new ArgDecl(ArgDecl.HasValue, "update", "file");

    protected ModRemote modRemote = new ModRemote();

    List<String> requestFiles = null;

    public static void main(String...argv) {
        new rupdate(argv).mainRun();
    }

    protected rupdate(String[] argv) {
        super(argv);
        super.add(updateArg, "--update=FILE", "Update commands to execute");
        super.addModule(modRemote);
    }

    @Override
    protected void processModulesAndArgs() {
        requestFiles = getValues(updateArg);   // ????
        super.processModulesAndArgs();
    }

    @Override
    protected String getSummary() {
        return getCommandName() + " --service=URL --update=<request file>";
    }

    @Override
    protected void exec() {
        if ( modRemote.getServiceURL() == null ) {
            throw new CmdException("No endpoint given");
        }
        String endpoint = modRemote.getServiceURL();

        for ( String filename : requestFiles ) {
            UpdateRequest req = UpdateFactory.read(filename);
            exec(endpoint, req);
        }

        for ( String requestString : super.getPositional() ) {
            requestString = indirect(requestString);
            UpdateRequest req = UpdateFactory.create(requestString);
            exec(endpoint, req);
        }
    }

    private void exec(String endpoint, UpdateRequest req) {
        UpdateExecution.service(endpoint).update(req).execute();
    }

}
